Electric Traction For three-phase induction motors which of the following is the least efficient method of speed control? Cascade control Combination of cascade and pole changing Rheostat control Pole changing Cascade control Combination of cascade and pole changing Rheostat control Pole changing ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Watt-hours per tonne km is usually the specific energy consumption for suburban services. 120-150 100-150 50 - 75 150-200 120-150 100-150 50 - 75 150-200 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Main traction systems used in India are, those using Diesel engine locomotives Steam engine locomotives Electric locomotives All of the listed here Diesel engine locomotives Steam engine locomotives Electric locomotives All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The horsepower of steam locomotives is Up to 1500 2500 to 3000 1500 to 2000 500 to 1000 Up to 1500 2500 to 3000 1500 to 2000 500 to 1000 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The speed of a locomotive is controlled by Regulating steam flow to engine Gear box Flywheel Applying brakes Regulating steam flow to engine Gear box Flywheel Applying brakes ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Quadrilateral speed-time curve pertains to which of the following services? Urban and suburban service Suburban service Main line service Urban service Urban and suburban service Suburban service Main line service Urban service ANSWER DOWNLOAD EXAMIANS APP